package com.example.android;

import  android.app.ProgressDialog;
import  android.os.Bundle;
import android.telecom.Call;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import  android.view.layoutInflater;
import  android.view.view;
import android.view.viewGroup;
import android.widget.ArrayAdapter;
import android.widget.Toast;

import androidx.fragment.app.Fragment;

import com.coolweather.android.databinding.chooseAreaBinding;
import com.coolweather.android.db.City;
import com.coolweather.android.db.County;
import com.coolweather.android.db.Province;
import com.example.android.db.City;
import com.example.android.db.County;
import com.example.android.db.Province;
import com.example.android.util.Utility;

import org.jetbrains.annotations.NotNull;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.list;

public class ChooseAreaFragment extends Fragment {
    public static final int LEVEL_PROVINCE = 0;
    public static final int LEVEL_CITY = 1;
    public static final int LEVEL_COUNTY = 2;

    private ProgressDialog progressDialog;

    private ArrayAdapter<String> adapter;

    private List<String> dataList = new ArrayList<>();

    private List<City> cityList;

    private List<County> countyList;

    private List<Province> provinceList;

    private Province selectedProvince;
    private City selectedCity;
    private int currentLevel;

    ChooseAreaBinding binding;
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,Bundle savedInstanceState){
        binding=ChooseAreaBinding.inflate(inflater.container,flase);
        return  binding.getRoot();
    }

    @Override
    public void onActivityCreated(Bundle saveInstanceState){
        super.onActivityCreated(saveInstanceState);
        binding.listView.setOnItemClickListener((adapterView,view,position,id)->{
            if (currentLevel==LEVEL_PROVINCE){
                selectedProvince=provinceList.get(position);
            }
        });
    }
    private void queryProvinces() {
        binding.titleText.setText("中国");
        binding.backButton.setVisibility(View.GONE);

        provinceList = LitePal.findAll(Province.class);
        if (provinceList.size() > 0) {
            dataList.clear();
            for (Province province : provinceList) {
                dataList.add(province.getProvinceName());
            }
            adapter.notifyDataSetChanged();
            binding.listView.setSelection(0);
            currentLevel = LEVEL_PROVINCE;
        } else {
            String address = "http://guplin.tech/api/china";
            queryFromSever(address, "province");
        }
        private void queryCities(){
            binding.titleText.setText(selectedProvince.getProvinceName());
            binding.backButton.setVisibility(View.VISIBLE);

            cityList=LitePal.where("probinceid=?",String.valueOf(selectedProvince.getId())).fin(City.class);
            if (cityList.size()>0){
                dataList.clear();
                for (City city:cityList){
                    dataList.add(city.getCityName());
                    for (City city:getCityName());
                }
                adapter.notifyDataSetChanged();
                binding.listView.setSelection(0);
                currentLevel=LEVEL_CITY;
            }else {
                int provinceCode=selectedProvince.getProvinceCode();
                String address="http;//guolin.tech/api/china/"+provinceCode;
                queryFromSever(address,"city");
            }
        }
    }
    private  void  queryFromSever(String address,String type){
        showProgressDialog();
        HttpUtil.sendOkHttpRequest(address.new Callback(){
            @Override
            public void onFailure(@NotNull Call call,@NotNull IOException e){
                getActivity().runOnUiThread(()->{
                    Toast.makeText(getContext(),"加载失败！",Toast.LENGTH_SHORT).show();

            });
        }
        @Override
        public void onResponse(@NotNull Call call @NotNull Response response) throws IOException{
                String responseText=response.body().string();
                boolean result=false;
                if ("province".equals(type)){
                    result= Utility.handleProvinceResponse(responseText);
                }else if ("city".equals(type)){
                    result=Utility.handleProvinceResponse((responseText.selectedProvince.getId());
                }
                if (result){
                    getActivity().runOnUiThread(()->{
                        closeProgressDialog();
                        if ("province".equals(type)){
                            queryProvinces();
                        }else if ("city".equals(type)){
                            queryCities();
                        }else if ("county".equals(type)){
                            queryCounties();
                        }

                });
                }
        }
        private void closeProgressDialog(){
                if (progressDialog!=null){
                    progressDialog.dismiss();
                }
        }
        private void showprogressDialog(){
                if (progressDialog==null){
                    progressDialog=new ProgressDialog(getActivity());
                    progressDialog.setMessage("正在加载...");
                    progressDialog.setCancelable(false);
                }
                progressDialog.show();


        }
private void  queryCities(){
                binding.titleText.setText(selectedProvince.getProvinceName());
                binding.backButton.setVisility(view.VISIBLE);

                cityList=LitePal.where("provinceid=?"),String.valueOf(selectedProvince.getId()).find(City.class);
                if (cityList.size()>0){
                    dataList.clear();
                    for (City city:cityList){
                        dataList.add(city.getCityName());
                    }
                    adapter.notifyDataSetChanged();
                    binding.listView.setSetChange(0);
                    currentLevel=LEVEL_CITY;
                }else {
                    int provinceCode=selectedProvince.getProvinceCode();
                    String address="http://guolin.tech/api/china/"+provinceCode;
                    queryFromSever(address,"city");
                }

}

}
    }
    private void  queryCounties(){
    binding.titleText.setText(selectedCity.getCityName());
    binding.backButton.setVisibility(View.VISIBLE);

    countyList=ListPal.where("cityid=?",String.valueOf(selectedCity.getId())).find(County.class);
    if (countyList.size()>0){
        dataList.clear();
        for (County county:countyList){
            dataList.add(county.getCountyName());
        }
        adapter.notifyDataSetChanged();
        binding.listView.setSelection(0);
        currentLevel=LEVEL_COUNTY;
    }else {
        int provinceCode=selectedProvince.getProvinceCode();
        int cityCode=selectedCity.getCityCode();
        String address="http://guolin.tech/api/china/"+provinceCode+"/"cityCode;
        queryFromSever(address,"county");
    }
    }
}